Chronic Venous Insufficiency Investigations

When special tests with instruments have not satisfactorily explained the nature of the venous disorder, the following techniques for studying the vein can be used.

Angle VE 60* Prolfl.9 cm Tall&ZO mm FreĆ­) 6.0 MHz VF Bas

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Venous filling time 29 sec

Fig. 1.5.6. Female 21 years, symptomatic chronic venous insufficiency of the left leg. Duplex ultrasound demonstrates normal respiratory movements on the right side and absence of reflux after blocking respiration. Normal photoplethysmography (red curve). On the left side, prolonged reflux after Valsalva, short venous filling time

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Venous filling time 29 sec

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Fig. 1.5.6. Female 21 years, symptomatic chronic venous insufficiency of the left leg. Duplex ultrasound demonstrates normal respiratory movements on the right side and absence of reflux after blocking respiration. Normal photoplethysmography (red curve). On the left side, prolonged reflux after Valsalva, short venous filling time

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